BLY21 NPN Transistor

The BLY21 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BLY21 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The BLY21 transistor symbol shows an arrow from the base into the emitter. This means that the current flows from collector terminal to emitter terminal.

Circuit diagram symbol of the BLY21 transistor as follows.

BLY21 Transistor Specification

Transistor Code		BLY21
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO60
Collector Power Dissipation (Maximum)	PC	15W
Collector-Base Voltage (Maximum)	VCB	70V
Collector-Emitter Voltage (Maximum)	VCE	45V
Collector Current (Maximum)	IC	1A
Operating Junction Temperature (Maximum)	TJ	200°C
Emitter-Base Voltage (Maximum)	VEB	4V
Forward Current Transfer Ratio (hFE Value)		5
Transition Frequency	FT	100MHz

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